Spherical trigonometry

Spherical trigonometry - branch of spherical geometry that deals with the relationships between trigonometric functions of the sides and angles of the spherical polygons. Article “Spherical trigonometry” in English Wikipedia has 67.4 points for quality (as of July 1, 2026). The article contains 31 references and 30 sections.

This article has the best quality in Tamil Wikipedia. However, this article is the most popular in English version.

In June 2026 the article “Spherical trigonometry” was edited by 2 authors in English Wikipedia and written by 8 authors in all languages.

Since the creation of article “Spherical trigonometry”, its content was written by 238 registered users of English Wikipedia and edited by 773 registered Wikipedia users in all languages.

The article is cited 351 times in English Wikipedia and cited 1589 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #2857 in May 2004
• Global: #10408 in August 2004

The highest popularity rank from 2008:

• Local (English): #40784 in June 2010
• Global: #45690 in June 2010

There are 35 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Tamil (ta) கோள முக்கோணவியல்		80.3251
2	English (en) Spherical trigonometry		67.4225
3	Czech (cs) Sférická trigonometrie		50.3546
4	Malay (ms) Trigonometri sfera		46.2467
5	Catalan (ca) Trigonometria esfèrica		37.9763
6	Dutch (nl) Boldriehoeksmeting		29.5648
7	German (de) Sphärische Trigonometrie		28.607
8	French (fr) Trigonométrie sphérique		27.8405
9	Arabic (ar) حساب المثلثات الكروية		26.3298
10	Serbo-Croatian (sh) Sferna trigonometrija		24.4174

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Spherical trigonometry" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Spherical trigonometry		1 968 477
2	Spanish (es) Trigonometría esférica		662 206
3	German (de) Sphärische Trigonometrie		347 155
4	French (fr) Trigonométrie sphérique		266 392
5	Japanese (ja) 球面三角法		239 550
6	Russian (ru) Сферическая тригонометрия		128 005
7	Chinese (zh) 球面三角學		99 849
8	Dutch (nl) Boldriehoeksmeting		92 979
9	Portuguese (pt) Trigonometria esférica		84 969
10	Italian (it) Trigonometria sferica		80 659

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Spherical trigonometry" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Spherical trigonometry		4 690
2	French (fr) Trigonométrie sphérique		721
3	Japanese (ja) 球面三角法		652
4	German (de) Sphärische Trigonometrie		473
5	Spanish (es) Trigonometría esférica		353
6	Chinese (zh) 球面三角學		333
7	Russian (ru) Сферическая тригонометрия		213
8	Italian (it) Trigonometria sferica		149
9	Dutch (nl) Boldriehoeksmeting		128
10	Czech (cs) Sférická trigonometrie		120

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Spherical trigonometry" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Spherical trigonometry		238
2	German (de) Sphärische Trigonometrie		94
3	French (fr) Trigonométrie sphérique		87
4	Spanish (es) Trigonometría esférica		44
5	Dutch (nl) Boldriehoeksmeting		42
6	Russian (ru) Сферическая тригонометрия		24
7	Japanese (ja) 球面三角法		23
8	Catalan (ca) Trigonometria esfèrica		22
9	Italian (it) Trigonometria sferica		22
10	Hebrew (he) טריגונומטריה ספירית		21

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Spherical trigonometry" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	English (en) Spherical trigonometry		2
2	Arabic (ar) حساب المثلثات الكروية		1
3	Catalan (ca) Trigonometria esfèrica		1
4	Persian (fa) مثلثات کروی		1
5	Italian (it) Trigonometria sferica		1
6	Tamil (ta) கோள முக்கோணவியல்		1
7	Uzbek (uz) Sferik trigonometriya		1
8	Belarusian (be) Сферычная трыганаметрыя		0
9	Bulgarian (bg) Сферична тригонометрия		0
10	Czech (cs) Sférická trigonometrie		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Spherical trigonometry" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Spherical trigonometry		351
2	French (fr) Trigonométrie sphérique		146
3	Spanish (es) Trigonometría esférica		104
4	Catalan (ca) Trigonometria esfèrica		98
5	Russian (ru) Сферическая тригонометрия		89
6	German (de) Sphärische Trigonometrie		74
7	Arabic (ar) حساب المثلثات الكروية		70
8	Chinese (zh) 球面三角學		70
9	Japanese (ja) 球面三角法		57
10	Ukrainian (uk) Сферична тригонометрія		51

More...

#	Language	Value
ar	Arabic حساب المثلثات الكروية
be	Belarusian Сферычная трыганаметрыя
bg	Bulgarian Сферична тригонометрия
ca	Catalan Trigonometria esfèrica
cs	Czech Sférická trigonometrie
da	Danish Sfærisk trigonometri
de	German Sphärische Trigonometrie
en	English Spherical trigonometry
eo	Esperanto Sfera trigonometrio
es	Spanish Trigonometría esférica
fa	Persian مثلثات کروی
fi	Finnish Pallotrigonometria
fr	French Trigonométrie sphérique
he	Hebrew טריגונומטריה ספירית
hi	Hindi गोलीय त्रिकोणमिति
hy	Armenian Ոլորտային եռանկյունաչափություն
id	Indonesian Trigonometri bola
it	Italian Trigonometria sferica
ja	Japanese 球面三角法
ka	Georgian სფერული ტრიგონომეტრია
ms	Malay Trigonometri sfera
nl	Dutch Boldriehoeksmeting
nn	Norwegian (Nynorsk) Sfærisk trigonometri
no	Norwegian Sfærisk trigonometri
pt	Portuguese Trigonometria esférica
ro	Romanian Trigonometrie sferică
ru	Russian Сферическая тригонометрия
sh	Serbo-Croatian Sferna trigonometrija
sl	Slovenian Sferna trigonometrija
sr	Serbian Сферна тригонометрија
ta	Tamil கோள முக்கோணவியல்
tr	Turkish Küresel üçgen
uk	Ukrainian Сферична тригонометрія
uz	Uzbek Sferik trigonometriya
zh	Chinese 球面三角學

Best Rank

English: #40784 06.2010

Global: #45690 06.2010

Best Rank

English: #2857 05.2004

Global: #10408 08.2004

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information